LP38851SX-ADJ - Texas Instruments

Manufacturer Part Number

LP38851SX-ADJ

Manufacturer

Texas Instruments

Introduction

The LP38851SX-ADJ is a low dropout (LDO) linear voltage regulator designed for power management in a wide range of electronic devices.

Product Features and Performance

Adjustable output voltage from 0.8V to 1.8V

Maximum input voltage of 5.5V

Dropout voltage of 0.2V at 800mA load

Output current capability of 800mA

Low quiescent current of 300 µA

PSRR of 72dB to 61dB between 120Hz to 1kHz

Enable and soft start control features

Over current, over temperature, and short circuit protection

Under Voltage Lockout (UVLO)

Product Advantages

High efficiency due to low dropout voltage

Flexible output voltage suitable for various applications

Low quiescent current enhances battery life

Comprehensive protection features ensure device safety

Good PSRR ensures stable output voltage under fluctuating input conditions

Key Technical Parameters

Voltage Input (Max): 5.5V

Voltage Output (Min/Fixed): 0.8V

Voltage Output (Max): 1.8V

Voltage Dropout (Max): 0.2V @ 800mA

Current Output: 800mA

Current Quiescent (Iq): 300 µA

PSRR: 72dB ~ 61dB (120Hz ~ 1kHz)

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Short Circuit Protection

Under Voltage Lockout (UVLO)

Compatibility

Suitable for a wide range of electronic devices requiring stable voltage supply

Application Areas

Consumer Electronics

Portable Devices

Networking Equipment

Industrial Applications

Product Lifecycle

Obsolete status. Availability of replacements or upgrades should be checked with Texas Instruments.

Several Key Reasons to Choose This Product

High reliability and safety features ensure device integrity

Low dropout voltage contributes to energy efficiency

Adjustable output voltage offers design flexibility

Extended operating temperature range (-40°C ~ 125°C) accommodates various environments

Suitable for a broad range of applications from consumer electronics to industrial equipment